Kazhdan-Lusztig polynomial
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English
[edit]Etymology
[edit]Introduced by David Kazhdan and George Lusztig in 1979.
Noun
[edit]Kazhdan-Lusztig polynomial (plural Kazhdan-Lusztig polynomials)
- (mathematics, representation theory) A member Py,w(q) of a certain family of integral polynomials that are indexed by pairs of elements y, w of a Coxeter group W, which can in particular be the Weyl group of a Lie group.